Home / 13,740.03-19,011.24-11,975.31

Finding the Fourth Proportional to 13,740.03, 19,011.24 and 11,975.31

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Solution

The fourth proportional to 13,740.03, 19,011.24 and 11,975.31 is: 16,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.03 : 19,011.24 = 11,975.31 : x
  2. Step 2: Convert to fraction form
    13,740.03/19,011.24 = 11,975.31/x
  3. Step 3: Cross multiply
    13,740.03x = 19,011.24 × 11,975.31
  4. Step 4: Simplify right side
    13,740.03x = 227,665,492.48
  5. Step 5: Solve for x
    x = 227,665,492.48/13,740.03
  6. Step 6: Final answer
    x = 16,569.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.